Uncle Fester reads an article by Dr. Pierre LeBlanc titled "The Dangers of a Happy Marriage" that says some fighting is necessary for a great relationship. He convinces the rest of the family to try to make Gomez and Morticia fight with each other. When their attempts fail, he calls Dr. LeBlanc, who comes and tries to steal Morticia away, so Gomez challenges Dr. LeBlanc to a duel.